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US 11,673,890 In forceTerm ends Sep 1, 2029 · Medium confidence
20-year base term ends Sep 20, 2031
Why Medium: A parent in the chain could not be resolved.
Sep 20, 2011
Sep 1, 2029
Jun 13, 2023
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 20, 2011, when the earliest non-provisional application in its chain was filed (this one was filed Sep 28, 2020); a parent in its chain could not be resolved (the next row) | Sep 20, 2031 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +292 days, USPTO patent term adjustment record | Jul 8, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,822,335, US 9,145,416) | capped to Sep 1, 2029 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 1, 2029 | Medium confidence |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.